Add default implementation of Vibrator HAL

Test: Builds, boots, vibrator works on bullhead
Change-Id: I9c7de913d1b565bdc46a3b99a799fd8ba09b06a4

Android.bp

@@ -12,4 +12,5 @@ subdirs = [
     "tests/pointer/1.0",
     "wifi/1.0",
     "wifi/supplicant/1.0",
+    "vibrator/1.0",
 ]

vibrator/1.0/default/Android.mk

@@ -0,0 +1,33 @@
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.vibrator@1.0-impl
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_SRC_FILES := \
+  Vibrator.cpp \
+
+LOCAL_SHARED_LIBRARIES := \
+  libhidl \
+  liblog \
+  libhwbinder \
+  libutils \
+  libhardware \
+  android.hardware.vibrator@1.0
+
+include $(BUILD_SHARED_LIBRARY)

vibrator/1.0/default/Vibrator.cpp

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "VibratorService"
+
+#include <hardware/hardware.h>
+#include <hardware/vibrator.h>
+#include "Vibrator.h"
+
+namespace android {
+namespace hardware {
+namespace vibrator {
+namespace V1_0 {
+namespace implementation {
+
+Vibrator::Vibrator(vibrator_device_t *device) : mDevice(device) {}
+
+// Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
+Return<Status> Vibrator::on(uint32_t timeout_ms) {
+    int32_t ret = mDevice->vibrator_on(mDevice, timeout_ms);
+    if (ret != 0) {
+        ALOGE("on command failed : %s", strerror(-ret));
+        return Status::ERR;
+    }
+    return Status::OK;
+}
+
+Return<Status> Vibrator::off()  {
+    int32_t ret = mDevice->vibrator_off(mDevice);
+    if (ret != 0) {
+        ALOGE("off command failed : %s", strerror(-ret));
+        return Status::ERR;
+    }
+    return Status::OK;
+}
+
+IVibrator* HIDL_FETCH_IVibrator(const char *hal) {
+    vibrator_device_t *vib_device;
+    const hw_module_t *hw_module = nullptr;
+
+    int ret = hw_get_module(hal, &hw_module);
+    if (ret == 0) {
+        ret = vibrator_open(hw_module, &vib_device);
+        if (ret != 0) {
+            ALOGE("vibrator_open %s failed: %d", hal, ret);
+        }
+    } else {
+        ALOGE("hw_get_module %s failed: %d", hal, ret);
+    }
+
+    if (ret == 0) {
+        return new Vibrator(vib_device);
+    } else {
+        ALOGE("Passthrough failed to open legacy HAL.");
+        return nullptr;
+    }
+}
+
+} // namespace implementation
+}  // namespace V1_0
+}  // namespace vibrator
+}  // namespace hardware
+}  // namespace android

vibrator/1.0/default/Vibrator.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef HIDL_GENERATED_android_hardware_vibrator_V1_0_Vibrator_H_
+#define HIDL_GENERATED_android_hardware_vibrator_V1_0_Vibrator_H_
+
+#include <android/hardware/vibrator/1.0/IVibrator.h>
+#include <hidl/Status.h>
+
+#include <hidl/MQDescriptor.h>
+namespace android {
+namespace hardware {
+namespace vibrator {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::vibrator::V1_0::IVibrator;
+using ::android::hardware::vibrator::V1_0::Status;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+
+struct Vibrator : public IVibrator {
+  Vibrator(vibrator_device_t *device);
+
+  // Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
+  Return<Status> on(uint32_t timeoutMs)  override;
+  Return<Status> off()  override;
+
+  private:
+    vibrator_device_t    *mDevice;
+};
+
+extern "C" IVibrator* HIDL_FETCH_IVibrator(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace vibrator
+}  // namespace hardware
+}  // namespace android
+
+#endif  // HIDL_GENERATED_android_hardware_vibrator_V1_0_Vibrator_H_